They are easy to rebuild. You can get everything you need from John at Cope Racing Transmissions. You will also need a FSM or O/H manual from ATSG for your transmission for torque specifications.
Tools Needed
Snap Ring Pliers
Slide Hammer
1/4" Drive Torque Wrench for Valve Body
3/8 Drive Torque Wrench for everything else

68 Cuda Notchback [Email]10.86@120[/Email] 69 Charger R/T 440/505 2009 Challenger SRT8